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将一骰子抛掷两次,所得向上点数分别为和,则函数在上为增函数的
将一骰子抛掷两次,所得向上点数分别为和,则函数在上为增函数的
将一骰子抛掷两次,所得向上点数分别为
和
,则函数
在
上为增函数的概率是( )
(A)
(B)
(C)
(D)
答案
B
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